Features:

• All-Weather Protection. ANSI/BHMA certified IP54 weatherproof rating smart lock to withstand most weather conditions against splashing water, direct sunlight and freezing cold environment. Fully operational temperature between -4° F and 140° F. Suitable for both outdoor and indoor use.
• Easy Installation. Easy to install in minutes with just a phillips screwdriver. No extra drills needed. No locksmith needed. Powered by 4 AA batteries and the battery life is guaranteed to be over one year. Each door lock comes with 3 physical keys as backups.
• Satisfaction Guaranteed. App/Software is free to use forever. No hidden charges or long-term costs. 30-day money back guarantee, 1-year product warranty and a lifetime customer support following the date of purchase.
• Remote Control / WiFi Access. Paired with Sifely WiFi Gateway (Optional Add-on, Sold Separately), you can lock/unlock your smart door lock anywhere anytime, set up codes remotely and check real-time access logs.